<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>upload</title>
    <link rel="stylesheet" href="lib/element-ui.css">
    <script src="lib/vue.min.js"></script>
    <script src="lib/element-ui.js"></script>
    <style>
        .uploadBox{
            width: 300px;
            height: 200px;
            margin: 50px auto;
        }
    </style>
</head>
<body>
<div id="app">
    <div class="uploadBox">
        <el-upload
                class="upload-demo"
                action="https://jsonplaceholder.typicode.com/posts/"
                :on-preview="handlePreview"
                :on-remove="handleRemove"
                multiple
                :limit="3"
                :on-exceed="handleExceed"
                :file-list="fileList">
            <el-button size="small" type="primary">点击上传</el-button>
            <div slot="tip" class="el-upload__tip">只能上传jpg/png文件，且不超过500kb</div>
        </el-upload>
    </div>

</div>
<script>
    var vm = new Vue({
        el:'#app',
        data:{
            fileList: [{name: 'food.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'}, {name: 'food2.jpeg', url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'}]
        },
        methods: {
            handleRemove(file, fileList) {
                console.log(file, fileList);
            },
            handlePreview(file) {
                console.log(file);
            },
            handleExceed(files, fileList) {
                this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
            }
        }
    })
</script>
</body>
</html>